U.S. Life-To-Date and Year-To-Date Video Game Hardware Sales

Lifetime-to-date

PS2: 44,981,318
DS: 35,416,758
Wii: 23,324,381
Xbox 360: 17,320,986
PSP: 16,182,836
PS3: 9,768,696

Year-to-date

DS: 7,875,400
Wii: 5,784,000
Xbox 360: 3,460,700
PS3: 2,974,500
PSP: 1,841,200
PS2: 1,466,700

Link

-Justin